AJAX请求

$.ajax({
　　type:"post",  //请求方式
　　url:"../../ZCGL/ZCGL_Handler.ashx", 
　　data: {‘type‘:‘ZCGL_NGD_ISCZ‘,‘_str‘:_str},     //参数
　　async: false,
　　contentType:"application/x-www-form-urlencoded;charset=UTF-8",
　　//dataType:"json",  
　　

　　success: function (data) {
　　if(data != "False")
　　　　{
　　 　　　　alert("成功！");
　　　　} else {
　　　　　　alert("失败！");
　　　　};
　　} 
});

 string type=context.Request["type"].ToString();

    <script src="jquery-1.8.3.js" type="text/javascript"></script>
    <script src="json2.js" type="text/javascript"></script>

<script type="text/javascript">  
        var user = {
            name: "张三",
            age: 25,
            weight: 135
        };

        $(function () {
            $.ajax({

                url: "AJAX.aspx",
                type: "post",
                data: JSON.stringify(user),//序列化
                headers: { Accept: "application/json", "Content-Type": "application/json" },
                dataType: "json",
                processData: false,
                success: function (data, textStatus, jqXHR) {

                }
            });
        }); 

    </script>

using Newtonsoft.Json;
using System.Web.Services;
using Newtonsoft.Json.Linq;

StreamReader sr = new StreamReader(Request.InputStream);
            string userStr = sr.ReadToEnd();

            JObject jo = (JObject)JsonConvert.DeserializeObject(userStr);

            JArray jarry = JArray.Parse(jo["User"].ToString());

//var modleList = JsonConvert.DeserializeObject<List<SupplierDetail>>(modle);